Tool dossier

Perplexity Deep Research (Sonar)

Autonomous search and synthesis engine optimized for cited web research and SEO content briefs.

Where it tends to win

Search intent briefs
Competitor keyword research
Fact-grounded research

Blind reads

Duels featuring Perplexity Deep Research (Sonar)

SEO Briefs

SEO BriefsMediumTested 2026-07-06

Perplexity Deep Research vs GPT-5.6 Sol for an SEO brief

Which brief would you hand to a writer?

Perplexity framed search intent more tightly; GPT-5.6 Sol wrote the friendlier outline.

Perplexity Deep Research (Sonar) vs GPT-5.6 Sol (OpenAI)

Judge this duel